Dane Drewis and his guitar. Dane Drewis Dane Drewis is quitting his finance job to pursue music full-time by treating his music like a business. Drewis treats his music like a business and has mapped out a financial strategy to move forward. He recommends acquiring digital production skills for more control over your music. See more stories on Insider's business page. Sometimes you need a nudge to make a leap of faith.